| City: | Washington, District of Columbia |
| Names to Avoid: | US Citizenship Immigration |
| County: | District Of Columbia County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:54:00 PM |
| Population: | No Population Data |
| Area Codes: | 202 / 771 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 38.8996, -77.0133 |
| Quick Link: |
U.S. Citizenship and Immigration Services (USCIS) operates under dedicated ZIP code 20529 in Washington, D.C. As an agency of the Department of Homeland Security, USCIS administers the nation's lawful immigration system, processing applications for citizenship, work authorization, and asylum. The agency handles millions of immigration cases annually. This unique postal designation has served USCIS for over two decades.
Located in the H Street NoMa neighborhood of Northeast Washington, the 0.01-square-mile boundary encompasses USCIS offices at Capital Gateway. Postal records show 65 ZIP+4 codes routing to the U.S. Citizenship and Immigration Services facility. Census demographic data is not available for this ZIP, consistent with its government office function. Washington is the valid mailing city for USCIS correspondence.
| Establishments: | 6 |
| Employment: | 34 |
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 20529 supports both business and residential activity. According to the Business Census (2024), there are 7 business establishments, employing about 42 people with an annual payroll of $1,816,000. USPS data shows 0 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 1Source: USPS |
| Total Delivery Receptacles: | 1Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 7Source: CBP |
| 1st Quarter Payroll: | $490,000Source: CBP |
| Annual Payroll: | $1,816,000Source: CBP |
| # of Employees: | 42Source: CBP |
ZIP Code 20529 is located in District Of Columbia County, District of Columbia, within the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area (CBSA 47900) and District of Columbia's 98th Congressional District. This Metro area has a population of 5,582,170 people, about 0.00% of whom live in ZIP Code 20529, and is subdivided into the Washington, DC-MD division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Washington-Arlington-Alexandria, DC-VA-MD-WVSource: Census |
| CBSA Number: | 47900Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Washington, DC-MD (CBSA Div 47764)Source: Census |
| CBSA Population: | 5,582,170Source: Census |
| MSA: | Washington-Baltimore, DC-MD-VA-WV CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 98Source: USPS |
| Congressional Land Area: | 61.40 sq miSource: Census |
| PMSA: | Washington, DC-MD-VA-WV PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1150000Source: Census |
| Place Name: | Washington city; District of ColumbiaSource: Census |
We could not locate which school district 20529 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.